Enfundadoras.angl filmar 3/05 5/1/06 00:31 Página 4 STRETCH-H High production machine

Enfundadoras.angl filmar 3/05 5/1/06 00:31 Página 7 -HOOD T he stretch-hood system for protecting and holding the load in position on the pallet is an innovative procedure developed by Metral® some ten years ago. Among its advantages the elimination of heat shrinkage with the consequent saving in energy and improvement of safety is noteworthy. Metral® stretch-hood machines are the result of a process of technical enhancements included in the machine, where mechanisms have been developed to an optimum level of quality. The strength of the machine has been designed to withstand heavy working conditions,...

Enfundadoras.angl filmar 3/05 5/1/06 00:31 Página 8 Stretchhood Characteristics T he process begins (fig.1) with the preparation of a hood from the plastic roll. The machine measures the programmed length, welds and cuts the plastic tube and positions it on the four arms. Then (fig.2), it stretches the hood in such a way that it can enter through the outside of the pallet. Next (fig.3), it moves downwards to wrap the pallet. As the plastic leaves the arms, its elastic property tightens it over the load, so that it is firmly held in position. When the cycle is complete (fig.4), the pallet is conveyed...

Enfundadoras.angl filmar 3/05 5/1/06 00:32 Página 11 Stretch- 3600 4900 Layout dimensions hood T he photo reveals the power of the motorised arm with its safety device, which is activated when anything blocks its path. 950 2660 3762 Fig. 4 2980 3600 4900 The diagrams are of a high-production, 150 pallets per hour machine and the stated dimensions are for a 1000 x 1200 pallet, with a height of 1400 mm. 3762 950 1900 2660 3620 5